CN105822975A - Lighting device and method - Google Patents
Lighting device and method Download PDFInfo
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- CN105822975A CN105822975A CN201610341640.8A CN201610341640A CN105822975A CN 105822975 A CN105822975 A CN 105822975A CN 201610341640 A CN201610341640 A CN 201610341640A CN 105822975 A CN105822975 A CN 105822975A
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- environmental factors
- illumination field
- target illumination
- illuminator
- lighting
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
- F21S41/635—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by moving refractors, filters or transparent cover plates
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/60—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution
- F21S41/63—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates
- F21S41/64—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices
- F21S41/645—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by a variable light distribution by acting on refractors, filters or transparent cover plates by changing their light transmissivity, e.g. by liquid crystal or electrochromic devices by electro-optic means, e.g. liquid crystal or electrochromic devices
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/085—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to special conditions, e.g. adverse weather, type of road, badly illuminated road signs or potential dangers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/06—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle
- B60Q1/08—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically
- B60Q1/12—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights adjustable, e.g. remotely-controlled from inside vehicle automatically due to steering position
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21S—NON-PORTABLE LIGHTING DEVICES; SYSTEMS THEREOF; VEHICLE LIGHTING DEVICES SPECIALLY ADAPTED FOR VEHICLE EXTERIORS
- F21S41/00—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps
- F21S41/10—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source
- F21S41/14—Illuminating devices specially adapted for vehicle exteriors, e.g. headlamps characterised by the light source characterised by the type of light source
- F21S41/141—Light emitting diodes [LED]
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V23/00—Arrangement of electric circuit elements in or on lighting devices
- F21V23/003—Arrangement of electric circuit elements in or on lighting devices the elements being electronics drivers or controllers for operating the light source, e.g. for a LED array
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V33/00—Structural combinations of lighting devices with other articles, not otherwise provided for
- F21V33/0004—Personal or domestic articles
- F21V33/0052—Audio or video equipment, e.g. televisions, telephones, cameras or computers; Remote control devices therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/32—Road surface or travel path
- B60Q2300/322—Road curvature
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/30—Indexing codes relating to the vehicle environment
- B60Q2300/32—Road surface or travel path
- B60Q2300/324—Road inclination, e.g. uphill or downhill
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/42—Indexing codes relating to other road users or special conditions oncoming vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q2300/00—Indexing codes for automatically adjustable headlamps or automatically dimmable headlamps
- B60Q2300/40—Indexing codes relating to other road users or special conditions
- B60Q2300/45—Special conditions, e.g. pedestrians, road signs or potential dangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2102/00—Exterior vehicle lighting devices for illuminating purposes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2107/00—Use or application of lighting devices on or in particular types of vehicles
- F21W2107/10—Use or application of lighting devices on or in particular types of vehicles for land vehicles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Multimedia (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
- Liquid Crystal (AREA)
Abstract
The invention provides a lighting device and method. The device comprises a processing module, a lighting module and a lighting control module; the lighting module is used for generating light needed for lighting; the processing module is used for determining a target lighting zone according to the environment around the lighting device; and the lighting control module is located on a light outlet face of the lighting module and used for projecting the light emitted by the lighting module to the target lighting zone. The method includes the steps that the target lighting zone is determined according to the environmental factor; and the light generated by the lighting module is controlled through the lighting control module so that the light can be projected to the target lighting zone. By means of the lighting device and method, the lighting flexibility and the lighting safety can be improved.
Description
Technical field
The present invention relates to lighting technical field, particularly relate to a kind of illuminator and method.
Background technology
Illuminator is widely used in the numerous areas such as the productive life of people, is requisite instrument in life.Under a lot of real-world environments, quality of life and safety etc. are played an important role by illuminating position.
Such as, the transport facility such as automobile needs illuminator to ensure driving safety in the case of night or light are more weak.As a example by automobile, headlight for vehicles undertakes the illumination work of driving at night just as " eyes " of automobile, not only includes high beam but also comprise dipped headlights.The irradiation height of high-low beam light is different with irradiation distance, it is generally the case that dipped headlights irradiates the most relatively low, irradiation distance about 30-40 rice, range of exposures about 160 °.And high beam light is more concentrated, irradiate the highest, the place of 200 to 600 meters remote can be irradiated to according to the kind difference of lamp.The use of car bulb has direct relation, proper use of car bulb to be possible not only to protect inherently safe with safe driving and civilization driving, can build well-regulated traffic environment simultaneously.Especially in the case of night or weather conditions difference, the timely switching of driver's long-and-short distant light to be carried out, the switching of long-and-short distant light is actual is exactly the switching of vehicle light illumination height and illumination distances, can be attributed to the conversion in vehicle light illumination direction.
Traditional automobile long-and-short distant light switching switch has poke-rod type, push button etc., is both needed to manual operation when switching, brings certain trouble to driver under the complex road condition that need to frequently switch long-and-short distant light.
Summary of the invention
In view of this, the present invention provides a kind of illuminator and method, it is possible to increase the motility of illumination and safety.
The illuminator provided based on the above-mentioned purpose present invention, including: processing module, lighting module and lighting control module；Wherein,
Described lighting module: for producing the light needed for illumination；
Described processing module: for determining target illumination field according to the environmental factors around described illuminator；
Described lighting control module: for the light of described lighting module outgoing is projected described target illumination field.
Optionally, described processing module specifically includes:
Environmental factors acquiring unit: be used for obtaining environmental factors；
Environmental factors computing unit: be used for calculating described environmental factors, determine target illumination field.
Optionally, described environmental factors acquiring unit specifically includes:
Infrared acquisition mechanism: for by environmental factors described in infrared detection.
Optionally, described environmental factors acquiring unit specifically includes:
Photographic unit: for shooting environmental factor.
Optionally, described lighting control module specifically includes:
Liquid crystal lens: be positioned at the exiting surface of lighting module, is arranged at the exiting surface of described lighting module；
LCD Controlling unit: produce deflection for controlling liquid crystal in described liquid crystal lens so that angle that the light deflection through described liquid crystal lens needs and then be irradiated to described target illumination field.
Optionally, described liquid crystal lens includes that multiple subelement, described lighting control module drive the liquid crystal molecule of each subelement to deflect respectively.
Optionally, the light source of described illuminator is according to setting density array arrangement.
Optionally, described illuminator is applied to vehicle.
Optionally, if described environmental factors indicates described vehicle that the state of meeting occurs in being in the setting time, target illumination field determined by the most described processing module is:
Avoid the region of opponent vehicle drive range.
Optionally, if the road surface that described environmental factors indicates described vehicle place exists pedestrian, illuminating region determined by the most described processing module is:
Avoid the region of described pedestrian's in-scope.
Optionally, if described environmental factors indicates described vehicle that the state turned occurs in being in the setting time, target illumination field determined by the most described processing unit is:
Adapt to road and curve the region of trend.
Optionally, if described environmental factors indicates described vehicle to go up a slope or the state of descending in being in the setting time, target illumination field determined by the most described processing module is: adapts to road and goes up a slope or the region of descending trend.
Meanwhile, the present invention provides a kind of vehicles, the illuminator provided including any one embodiment of the present invention.
Further, the present invention provides a kind of means of illumination, including:
Target illumination field is determined according to environmental factors；
The light that lighting module produces is controlled so that described light projects described target illumination field by lighting control module.
Optionally, described determine that the step of target illumination field specifically includes according to environmental factors:
Obtain environmental factors；
Calculate described environmental factors, determine target illumination field.
Optionally, described lighting control module includes the liquid crystal lens being positioned at the exiting surface of described lighting module；The described light by lighting control module control lighting module generation, the step making described light project described target illumination field specifically include:
Control liquid crystal in described liquid crystal lens and produce deflection so that angle that the light deflection through described liquid crystal lens needs and then be irradiated to described target illumination field.
Optionally, the step of described acquisition environmental factors specifically includes:
By environmental factors described in infrared detection.
Optionally, the step of described acquisition environmental factors specifically includes:
By photographic unit shooting environmental factor.
Optionally, described liquid crystal lens is multiple subelement, and light is projected the step of described target illumination field and specifically includes by the described lighting module of described control: drives the liquid crystal molecule of each subelement to carry out deflection respectively and makes light project described target illumination field.
Optionally, described method is applied to vehicle.
Optionally, if described environmental factors indicates described vehicle to be in the setting time state that meeting occurs, then determined by target illumination field be:
Avoid the region of opponent vehicle drive range.
Optionally, if described environmental factors indicate described vehicle place road surface there is pedestrian, then determined by illuminate region be:
Avoid the region of described pedestrian's in-scope.
Optionally, if described environmental factors indicates described vehicle that the state turned occurs in being in the setting time, the most described target illumination field is:
Adapt to road and curve the region of trend.
Optionally, if described environmental factors indicates described vehicle to go up a slope or the state of descending in being in the setting time, it is determined that target illumination field is: adapts to road and goes up a slope or the region of descending trend.
As can be seen from above, illuminator provided by the present invention and method, target illumination field can be determined according to environmental factors, and the exit direction changing source light makes light be irradiated to target illumination field, it is thus possible to ensure that illumination condition adapts with needs, improve the motility of illumination, safety.Liquid crystal lens is applied in illuminator by the embodiment of the present invention, it is possible to by supply voltage control, quickly changes beam projecting direction.
Accompanying drawing explanation
Fig. 1 is the illuminator structure schematic diagram of the embodiment of the present invention；
Fig. 2 is the liquid crystal lens schematic diagram of the embodiment of the present invention；
Fig. 3 is that the target illumination field of the embodiment of the present invention changes schematic diagram；
Fig. 4 is the method flow schematic diagram of the embodiment of the present invention.
Detailed description of the invention
For making the technical problem to be solved in the present invention, technical scheme and advantage clearer, it is described in detail below in conjunction with the accompanying drawings and the specific embodiments.
Present invention firstly provides a kind of illuminator, structure is as it is shown in figure 1, include: processing module 101, lighting module 102 and lighting control module 103；Wherein,
Described lighting module 101: for producing the light needed for illumination；
Described processing module 102: for determining target illumination field according to the environmental factors around described illuminator；
Described lighting control module 103: for the light of described lighting module outgoing is projected described target illumination field.
As can be seen from above, illuminator provided by the present invention, target illumination field can be determined according to the environmental factors around illuminator, so that illumination zone can be adjusted according to the physical activity in surrounding, weather conditions etc. so that the comfortableness of illumination, motility are all improved.Meanwhile, illuminator provided by the present invention is applied in the industry that the illuminations such as transportation are closely bound up with safety, additionally it is possible to improve the safety of illumination.
In the specific embodiment of the invention, described environmental factors includes physical activity factor, animal body activity factor.Such as, when the illuminator of the present invention is applied to traffic and transport field, described environmental factors is pedestrian's existence or animal body existence, can be specifically pedestrian position, animal activity position etc..
In the specific embodiment of the invention, when the illuminator of the present invention is applied to traffic and transport field, described environmental factors includes the condition of road surface residing for illuminator, aviation situation, waters situation etc..
In some embodiments of the invention, referring still to Fig. 1, described processing module 101 specifically includes:
Environmental factors acquiring unit 1011: be used for obtaining environmental factors；
Environmental factors computing unit 1012: be used for calculating described environmental factors, determine target illumination field.
In the specific embodiment of the invention, described environmental factors acquiring unit obtains environmental factors by infrared acquisition mechanism and/or supersonic sounding mechanism and/or photographic unit etc..When illuminator provided by the present invention is applied to vehicle, described environmental factors acquiring unit also can obtain environmental factors from driver assistance system etc..
In some embodiments of the invention, described environmental factors acquiring unit specifically includes:
Infrared acquisition mechanism: for by environmental factors described in infrared detection.
In some embodiments of the invention, described environmental factors acquiring unit specifically includes:
Photographic unit: for shooting environmental factor.
In one preferred embodiment of the present invention, described environmental factors acquiring unit includes infrared acquisition mechanism, or described environmental factors acquiring unit includes infrared acquisition mechanism and photographic unit.By infrared acquisition mechanism, environmental factors can be obtained with relatively low cost and its working effect is not affected by light institute in environment.
In some embodiments of the invention, described lighting control module specifically includes:
Liquid crystal lens: be positioned at the exiting surface of lighting module, is arranged at the exiting surface of described lighting module；
LCD Controlling unit: produce deflection for controlling liquid crystal in described liquid crystal lens so that angle that the light deflection through described liquid crystal lens needs and then be irradiated to described target illumination field.
The embodiment of the present invention, by driving the liquid crystal molecule of liquid crystal cell to deflect, makes liquid crystal cell equivalence become and light can be made to carry out the prism reflected, thus control backlight and be illuminated by lighting demand.Comparing traditional mechanical control method, the structure of the present embodiment is the simplest, and the deflection of liquid crystal molecule can complete at Millisecond, and therefore response speed is faster, has the highest practical value.
In some embodiments of the invention, described liquid crystal lens is as in figure 2 it is shown, include multiple subelement 201, and described lighting control module drives the liquid crystal molecule of each subelement 201 to deflect respectively.By arranging the distribution density of subelement 201, the control accuracy of Light control unit can be set.
Liquid crystal lens (Liquidcrystallens, LClens) electrooptic effect of liquid crystal is utilized, required liquid crystal deflection direction is obtained by applying specific electric field, and then form special spatial refractive index distribution, it is capable of illumination apparatus and launches the control of light direction of propagation millisecond magnitude, be a kind of on-mechanical control optical device.After liquid crystal lens is placed in the array of source of illuminator, in conjunction with the environmental factors obtained by the detection agency such as photographic head, sensor, determine the Electric Field Distribution being carried on liquid crystal lens, form required spatial refractive index by electric field controls liquid crystal deflection to be distributed, thus illumination apparatus array of source emit beam focusing distance, transmission direction accurately control, to adapt to the environmental factorss such as barrier, bend, ramp, hydrops, pedestrian, animal.When illuminator provided by the present invention is applied to vehicle, the deflection of liquid crystal lens can be controlled in conjunction with the traffic information of driver assistance system feedback.
Kind and the operation principle of LClens are not limited by the embodiment of the present invention, as long as it can form preferable index distribution under calculated voltage data, are regarded as suitably.
In the specific embodiment of the invention, the light source of described illuminator is arranged according to setting array.
In some embodiments of the invention, described illuminator is applied to vehicle.
In the specific embodiment of the invention, described vehicle is automobile or train or electric motor car or motorcycle or bicycle etc..
In one specific embodiment of the present invention, when described vehicle is automobile, described lighting control module includes liquid crystal lens.Liquid crystal lens is applied in car headlight by this embodiment, utilizes the electrooptic effect of liquid crystal, obtains required liquid crystal deflection direction by applying specific electric field, and then forms special spatial refractive index distribution, it is achieved car headlight is launched the control of the light direction of propagation.Prior art utilizes sensor measuring device ripe in automobile industry, at night, head-on road conditions are carried out accurate perception.The traffic information of the control light effect of liquid crystal with sensor measuring device feedback is organically combined, the lamp system of intelligent lighting can be provided, the focusing distance, the transmission direction that emit beam car headlight array of source accurately control, to adapt to the complex road conditions such as barrier, bend, ramp.Convenient, safe, civilized intelligent lighting is provided to experience for driver.
When described illuminator is applied to vehicle, vehicle light source is arranged by certain array in order to the light modulation effect with liquid crystal lens is arranged in pairs or groups more accurately.Arrangement mode can be according to flexible design such as headlight face shaping, manufacturing costs.
The kind of light source of illumination device can be but not limited to LED, can flexible design light source type as required.
Liquid crystal lens shown in Fig. 2 is placed in after lighting source array, i.e. along the light emission side of light source of illumination device.
When described illuminator is applied to vehicle, utilize prior art in automobile industry (the photosensitive control system being made up of photographic head, sensor) with driver assistance system etc., obtain on road of heading on or the traffic information (people, animal, construction obstacle thing, vehicle etc.) in roadside, and by this traffic information Real-time Feedback to environmental factors computing unit.Described environmental factors computing unit can be but not limited to single-chip microcomputer, and environmental factors computing unit calculates illuminator according to traffic information and suitably illuminates region.In the case of such as meeting, the suitable illumination region that road conditions processor calculates is other regions in addition to oncoming vehicle, and light dizziness oncoming vehicle, the road conditions visual field that can provide again wide so can be avoided to guarantee safe driving.
LCD Controlling unit can also be converted into corresponding voltage data by suitably illuminating area data, and these voltage datas are for being loaded into the control electrode of liquid crystal lens.When described illuminator is applied to vehicle, liquid crystal lens produces deflection, the index distribution needed for formation under the voltage loaded, and emergent ray carries out preferable control, finally avoids Pedestrians and vehicles region, illuminate other regions.Along with automobile advances, road conditions change, and according to the illumination region of headlight for vehicles, photosensitive system continues road conditions real-time detection, and continues to calculate target illumination field, to reach the purpose of real time on-line monitoring road conditions, in real time adjustment illuminated area.
In the specific embodiment of the invention, if described environmental factors indicates described vehicle that the state of meeting occurs in being in the setting time, target illumination field determined by the most described processing module is:
Avoid the region of opponent vehicle drive range.
Owing to, under night status, Vehicular illumination device, by another vehicle driver of light direct projection, can cause it not see road surface ahead and be susceptible to the unsafe incidents such as traffic accident.Therefore, in a kind of preferred embodiment, if the environmental factors obtained by environmental factors acquiring unit indicate vehicle be in will the state of meeting, then control described lighting control module so that the light of illuminator outgoing avoids the driver of direct projection opponent vehicle.
In embodiments of the present invention, if the road surface that described environmental factors indicates described vehicle place exists pedestrian, illuminating region determined by the most described processing module is:
Avoid the region of described pedestrian's in-scope.
Owing to, under night status, Vehicular illumination device, by light direct projection pedestrian, can cause it not see road surface ahead and be susceptible to the unsafe incidents such as traffic accident.Therefore, in a kind of preferred embodiment, if the road surface at the described vehicle place of environmental factors instruction obtained by environmental factors acquiring unit exists pedestrian, then control described lighting control module so that the light of illuminator outgoing avoids the driver of direct projection pedestrian.
In the specific embodiment of the invention, if as it is shown on figure 3, described environmental factors indicates described vehicle 301 that the state turned occurs in being in the setting time, target illumination field determined by the most described processing module is:
Adapt to road and curve the region of trend.As it is shown on figure 3, target illumination field is changed into the second scope 303 adapting to road from the first scope 302 of deviating road.
Described environmental factors can include but not limited to case above, and such as, described environmental factors may further indicate that vehicle is in other complex road conditions such as climb and fall, in these cases, illuminates certain region according to concrete road conditions selectivity.
In some embodiments of the invention, if described environmental factors indicates described vehicle to go up a slope or the state of descending in being in the setting time, target illumination field determined by the most described processing module is: adapts to road and goes up a slope or the region of descending trend.If described environmental factors indicates described vehicle when being in upward slope, descending, along with the change of road surface vertical straight height, the light of target illumination field also can dipping and heaving therewith.
Meanwhile, the present invention provides a kind of vehicles, the vehicles provided including any one embodiment of the present invention.
Further, the present invention provides a kind of means of illumination, as shown in Figure 4, and including:
Step 401: determine target illumination field according to environmental factors；
Step 402: control, by lighting control module, the light that lighting module produces so that described light projects described target illumination field.
In some embodiments of the invention, described determine that the step of target illumination field specifically includes according to environmental factors:
Obtain environmental factors；
Calculate described environmental factors, determine target illumination field.
In some embodiments of the invention, described lighting control module includes the liquid crystal lens being positioned at the exiting surface of described lighting module；The described light by lighting control module control lighting module generation, the step making described light project described target illumination field specifically include:
Control the liquid crystal in described liquid crystal lens and produce deflection so that the angle that the light deflection through described liquid crystal lens needs.
In some embodiments of the invention, the step of described acquisition environmental factors specifically includes:
By environmental factors described in infrared detection.
In some embodiments of the invention, the step of described acquisition environmental factors specifically includes:
By photographic unit shooting environmental factor.
In some embodiments of the invention, described liquid crystal lens is multiple subelement, and light is projected the step of described target illumination field and specifically includes by the described lighting module of described control: drives the liquid crystal molecule of each subelement to carry out deflection respectively and makes light project described target illumination field.
In some embodiments of the invention, described method is applied to vehicle.
In some embodiments of the invention, if described environmental factors indicates described vehicle to be in the setting time state that meeting occurs, then determined by target illumination field be:
Avoid the region of opponent vehicle drive range.
In some embodiments of the invention, if described environmental factors indicate described vehicle place road surface there is pedestrian, then determined by illuminate region be:
Avoid the region of described pedestrian's in-scope.
In some embodiments of the invention, if described environmental factors indicates described vehicle that the state turned occurs in being in the setting time, the most described target illumination field is:
Adapt to road and curve the region of trend.
Described environmental factors can include but not limited to case above, and such as, described environmental factors may further indicate that vehicle is in other complex road conditions such as climb and fall, in these cases, illuminates certain region according to concrete road conditions selectivity.
In some embodiments of the invention, if described environmental factors indicates described vehicle to go up a slope or the state of descending in being in the setting time, target illumination field determined by the most described processing unit is: adapts to road and goes up a slope or the region of descending trend.As can be seen from above, illuminator provided by the present invention and method, target illumination field can be determined according to environmental factors, and the exit direction changing source light makes light be irradiated to target illumination field, it is thus possible to ensure that illumination condition adapts with needs, improve the motility of illumination, safety.Liquid crystal lens is applied in illuminator by the embodiment of the present invention, it is possible to by supply voltage control, quickly changes beam projecting direction.
Should be appreciated that the multiple embodiments described by this specification are merely to illustrate and explain the present invention, be not intended to limit the present invention.And in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Obviously, those skilled in the art can carry out various change and modification without departing from the spirit and scope of the present invention to the present invention.So, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
Claims (24)
1. an illuminator, it is characterised in that including: processing module, lighting module and lighting control module；Wherein,
Described lighting module: for producing the light needed for illumination；
Described processing module: for determining target illumination field according to the environmental factors around described illuminator；
Described lighting control module: for the light of described lighting module outgoing is projected described target illumination field.
Illuminator the most according to claim 1, it is characterised in that described processing module specifically includes:
Environmental factors acquiring unit: be used for obtaining environmental factors；
Environmental factors computing unit: be used for calculating described environmental factors, determine target illumination field.
Illuminator the most according to claim 2, it is characterised in that described environmental factors acquiring unit specifically includes:
Infrared acquisition mechanism: for by environmental factors described in infrared detection.
Illuminator the most according to claim 2, it is characterised in that described environmental factors acquiring unit specifically includes:
Photographic unit: for shooting environmental factor.
Illuminator the most according to claim 1, it is characterised in that described lighting control module specifically includes:
Liquid crystal lens: be positioned at the exiting surface of lighting module, is arranged at the exiting surface of described lighting module；
LCD Controlling unit: produce deflection for controlling liquid crystal in described liquid crystal lens so that angle that the light deflection through described liquid crystal lens needs and then be irradiated to described target illumination field.
Illuminator the most according to claim 5, it is characterised in that described liquid crystal lens includes that multiple subelement, described lighting control module drive the liquid crystal molecule of each subelement to deflect respectively.
Illuminator the most according to claim 3, it is characterised in that the light source of described illuminator is according to setting density array arrangement.
8. according to the illuminator described in any one in claim 1-7, it is characterised in that described illuminator is applied to vehicle.
Illuminator the most according to claim 8, it is characterised in that if described environmental factors indicates described vehicle that the state of meeting occurs in being in the setting time, target illumination field determined by the most described processing module is:
Avoid the region of opponent vehicle drive range.
Illuminator the most according to claim 8, it is characterised in that if the road surface that described environmental factors indicates described vehicle place exists pedestrian, illuminating region determined by the most described processing module is:
Avoid the region of described pedestrian's in-scope.
11. illuminators according to claim 8, it is characterised in that if described environmental factors indicates described vehicle that the state turned occurs in being in the setting time, target illumination field determined by the most described processing module is:
Adapt to road and curve the region of trend.
12. illuminators according to claim 8, it is characterized in that, if described environmental factors indicates described vehicle to go up a slope or the state of descending in being in the setting time, target illumination field determined by the most described processing module is: adapts to road and goes up a slope or the region of descending trend.
13. 1 kinds of vehicles, it is characterised in that include the illuminator described in any one in claim 1-12.
14. 1 kinds of means of illuminations, it is characterised in that including:
Target illumination field is determined according to environmental factors；
The light that lighting module produces is controlled so that described light projects described target illumination field by lighting control module.
15. methods according to claim 14, it is characterised in that described determine that the step of target illumination field specifically includes according to environmental factors:
Obtain environmental factors；
Calculate described environmental factors, determine target illumination field.
16. methods according to claim 14, it is characterised in that described lighting control module includes the liquid crystal lens being positioned at the exiting surface of described lighting module；The described light by lighting control module control lighting module generation, the step making described light project described target illumination field specifically include:
Control liquid crystal in described liquid crystal lens and produce deflection so that angle that the light deflection through described liquid crystal lens needs and then be irradiated to described target illumination field.
17. methods according to claim 15, it is characterised in that the step of described acquisition environmental factors specifically includes:
By environmental factors described in infrared detection.
18. methods according to claim 15, it is characterised in that the step of described acquisition environmental factors specifically includes:
By photographic unit shooting environmental factor.
19. methods according to claim 16, it is characterized in that, described liquid crystal lens is multiple subelement, and light is projected the step of described target illumination field and specifically includes by the described lighting module of described control: drives the liquid crystal molecule of each subelement to carry out deflection respectively and makes light project described target illumination field.
20. according to the method described in any one in claim 14-19, it is characterised in that described method is applied to vehicle.
21. methods according to claim 20, it is characterised in that
If described environmental factors indicates described vehicle to be in the setting time state that meeting occurs, then determined by target illumination field be:
Avoid the region of opponent vehicle drive range.
22. methods according to claim 20, it is characterised in that
If described environmental factors indicate described vehicle place road surface there is pedestrian, then determined by illuminate region be:
Avoid the region of described pedestrian's in-scope.
23. methods according to claim 20, it is characterised in that if described environmental factors indicates described vehicle that the state turned occurs in being in the setting time, the most described target illumination field is:
Adapt to road and curve the region of trend.
24. methods according to claim 20, it is characterised in that go up a slope or the state of descending if described environmental factors indicates described vehicle to be in the setting time, it is determined that target illumination field be: adapt to road and go up a slope or the region of descending trend.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341640.8A CN105822975A (en) | 2016-05-20 | 2016-05-20 | Lighting device and method |
| US15/567,409 US20190061604A1 (en) | 2016-05-20 | 2017-04-18 | Lighting device and method |
| PCT/CN2017/080908 WO2017198026A1 (en) | 2016-05-20 | 2017-04-18 | Illumination device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610341640.8A CN105822975A (en) | 2016-05-20 | 2016-05-20 | Lighting device and method |
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| Publication Number | Publication Date |
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| CN105822975A true CN105822975A (en) | 2016-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610341640.8A Pending CN105822975A (en) | 2016-05-20 | 2016-05-20 | Lighting device and method |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US20190061604A1 (en) |
| CN (1) | CN105822975A (en) |
| WO (1) | WO2017198026A1 (en) |
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Also Published As
| Publication number | Publication date |
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| US20190061604A1 (en) | 2019-02-28 |
| WO2017198026A1 (en) | 2017-11-23 |
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